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Simplifying 4v2 + -12v + 72 = 0 Reorder the terms: 72 + -12v + 4v2 = 0 Solving 72 + -12v + 4v2 = 0 Solving for variable 'v'. Factor out the Greatest Common Factor (GCF), '4'. 4(18 + -3v + v2) = 0 Ignore the factor 4.Subproblem 1
Set the factor '(18 + -3v + v2)' equal to zero and attempt to solve: Simplifying 18 + -3v + v2 = 0 Solving 18 + -3v + v2 = 0 Begin completing the square. Move the constant term to the right: Add '-18' to each side of the equation. 18 + -3v + -18 + v2 = 0 + -18 Reorder the terms: 18 + -18 + -3v + v2 = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -3v + v2 = 0 + -18 -3v + v2 = 0 + -18 Combine like terms: 0 + -18 = -18 -3v + v2 = -18 The v term is -3v. Take half its coefficient (-1.5). Square it (2.25) and add it to both sides. Add '2.25' to each side of the equation. -3v + 2.25 + v2 = -18 + 2.25 Reorder the terms: 2.25 + -3v + v2 = -18 + 2.25 Combine like terms: -18 + 2.25 = -15.75 2.25 + -3v + v2 = -15.75 Factor a perfect square on the left side: (v + -1.5)(v + -1.5) = -15.75 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
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